#include <iostream>
#include <locale>
#include <iomanip>

using namespace std;
const int n = 3;
const int k = 1.5 * 59;

void randomGen(int mas[]);
int hashing(int a);
void print(int mas[]);

int main()
{
    setlocale(0, "");
    int hash[k];
    int mas[n];
    randomGen(mas);
    print(mas);
    for (int i = 0; i < n; i++)
        cout << mas[i] << endl << hashing(mas[i]) << endl;
    system("pause");
}

int hashing(int a)
{
    return a*a / 10 % 10;
}

void randomGen(int mas[])
{
    srand(time(0));
    for (int i = 0; i < n; i++)
    {
        mas[i] = 10 + rand() % 90;
        for (int j = 0; j < i; j++)
            if (mas[i] == mas[j])
                i--;
    }
}

void print(int mas[])
{
    for (int i = 0; i < n; i++) {
        if (i < 9) {
            cout << setw(3) << "[0" << i + 1 << "]";
            cout << setw(5) << mas[i];
        }
        else {
            if (i % 10 == 0)
                cout << endl;
            cout << setw(2) << "[" << i + 1 << "]";
            cout << setw(5) << mas[i];
        }
    }
    cout << endl;
}